cijliu librtsp up to 2ec1a81ad65280568a0c7c16420d7c10fde13b04 rtsp_parse_request buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in cijliu librtsp up to 2ec1a81ad65280568a0c7c16420d7c10fde13b04 and classified as critical. This affects the function rtsp_parse_request. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2026-1109. It is possible to launch the attack on the local host. Additionally, an exploit exists. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in cijliu librtsp up to 2ec1a81ad65280568a0c7c16420d7c10fde13b04. It has been declared as critical. Affected by this vulnerability is the function rtsp_parse_request. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-1109. The exploitation appears to be easy. An attack has to be approached locally. Technical details and also a exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/17/2026).

It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202601-2968) and EUVD (EUVD-2026-3186). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Proof-of-Concept

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/17/2026 Advisory disclosed
01/17/2026 +0 days VulDB entry created
02/17/2026 +31 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-1109 (🔒)
GCVE (CVE): GCVE-0-2026-1109
GCVE (VulDB): GCVE-100-341701
EUVD: 🔒
CNNVD: CNNVD-202601-2968 - librtsp 安全漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/17/2026 09:54
Updated: 02/17/2026 20:09
Changes: 01/17/2026 09:54 (54), 01/18/2026 05:56 (30), 01/19/2026 01:48 (1), 01/19/2026 17:48 (6), 02/17/2026 20:09 (11)
Complete: 🔍
Submitter: nemo2533
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #732599: librtsp demo git-master-2ec1a81ad65280568a0c7c16420d7c10fde13b04 Buffer Overflow (by nemo2533)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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